.header {
    min-width: 1200px;
    background-color: #ffffff;
    height: 65px;
    font-size: 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e8e8e8;
}

#logo {
    padding-left: 20px;
    width: 75px;
    height: 50px;
}

a {
    text-decoration: none;
    flex: 12%;
    color: black;
}

.header span {
    flex: 10%;
}

.click-active {
    color: #C1252B;
    font-weight: bold;
}

#avatar {
    float: right;
    margin-right: 20px;
    height: 35px;
    border-radius: 30px;
}

.header button {
    border: none;
    width: 100px;
    height: 40px;
    color: white;
    font-size: 17px;
    background-color: #a63d41;
    border-radius: 5px;
    cursor: pointer;
}